85464320

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2903}}^1$

素因数の和:2947

約数の個数: 72

約数和(自身を含む): 213687936

約数和(自身を除く): 128223616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2903, 2944, 3680, 5806, 5888, 7360, 11612, 14515, 14720, 23224, 29030, 29440, 46448, 58060, 66769, 92896, 116120, 133538, 185792, 232240, 267076, 333845, 371584, 464480, 534152, 667690, 743168, 928960, 1068304, 1335380, 1857920, 2136608, 2670760, 3715840, 4273216, 5341520, 8546432, 10683040, 17092864, 21366080, 42732160, 85464320]

約数ペア:

[(1, 85464320), (2, 42732160), (4, 21366080), (5, 17092864), (8, 10683040), (10, 8546432), (16, 5341520), (20, 4273216), (23, 3715840), (32, 2670760), (40, 2136608), (46, 1857920), (64, 1335380), (80, 1068304), (92, 928960), (115, 743168), (128, 667690), (160, 534152), (184, 464480), (230, 371584), (256, 333845), (320, 267076), (368, 232240), (460, 185792), (640, 133538), (736, 116120), (920, 92896), (1280, 66769), (1472, 58060), (1840, 46448), (2903, 29440), (2944, 29030), (3680, 23224), (5806, 14720), (5888, 14515), (7360, 11612)]